{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:2RGCJBGGPOBHK4EQ7FDJ2ZFU7O","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"b4d7a3582c50376ed21acda87a78f2ca48f5730ffaf9df7b7ea1f8c60e9909e1","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-04-11T19:50:52Z","title_canon_sha256":"f22b536e381e1dc04f7388f4543bbe7c92aca7e30d2b7df7036f74cd4ee7d606"},"schema_version":"1.0","source":{"id":"1304.3413","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.3413","created_at":"2026-05-18T03:02:35Z"},{"alias_kind":"arxiv_version","alias_value":"1304.3413v2","created_at":"2026-05-18T03:02:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.3413","created_at":"2026-05-18T03:02:35Z"},{"alias_kind":"pith_short_12","alias_value":"2RGCJBGGPOBH","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"2RGCJBGGPOBHK4EQ","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"2RGCJBGG","created_at":"2026-05-18T12:27:32Z"}],"graph_snapshots":[{"event_id":"sha256:01360974ba7a457d74b00fbca981bc3c17210224e2cf3c120cfe7c3ee5bd79d8","target":"graph","created_at":"2026-05-18T03:02:35Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We introduce a solid-state qubit in which exchange interactions among confined electrons provide both the static longitudinal field and the oscillatory transverse field, allowing rapid and full qubit control via rf gate-voltage pulses. We demonstrate two-axis control at a detuning sweet-spot, where leakage due to hyperfine coupling is suppressed by the large exchange gap. A {\\pi}/2-gate time of 2.5 ns and a coherence time of 19 {\\mu}s, using multi-pulse echo, are also demonstrated. Model calculations that include effects of hyperfine noise are in excellent quantitative agreement with experimen","authors_text":"A. C. Gossard, C. M. Marcus, E. I. Rashba, H. Lu, J. Beil, J. Medford, J. M. Taylor","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-04-11T19:50:52Z","title":"The Resonant Exchange Qubit"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.3413","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:a1906cb83805af03699f1703d49a3217529b2cc31de1ae26312c01553c6e63b2","target":"record","created_at":"2026-05-18T03:02:35Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"b4d7a3582c50376ed21acda87a78f2ca48f5730ffaf9df7b7ea1f8c60e9909e1","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-04-11T19:50:52Z","title_canon_sha256":"f22b536e381e1dc04f7388f4543bbe7c92aca7e30d2b7df7036f74cd4ee7d606"},"schema_version":"1.0","source":{"id":"1304.3413","kind":"arxiv","version":2}},"canonical_sha256":"d44c2484c67b82757090f9469d64b4fbaf5e6dff73c5fbcf2dc7fc81c2b57f85","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d44c2484c67b82757090f9469d64b4fbaf5e6dff73c5fbcf2dc7fc81c2b57f85","first_computed_at":"2026-05-18T03:02:35.055626Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:02:35.055626Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"anFtZHV4y92VqCjhvKskZt64z11hyXrh8pKerl7R/rROeQUJEqa8Jl8ZTejyyNVyaEMotNSnGolpIbn2+rB7Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:02:35.056429Z","signed_message":"canonical_sha256_bytes"},"source_id":"1304.3413","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a1906cb83805af03699f1703d49a3217529b2cc31de1ae26312c01553c6e63b2","sha256:01360974ba7a457d74b00fbca981bc3c17210224e2cf3c120cfe7c3ee5bd79d8"],"state_sha256":"420fffdc72b3b20f3a246dc2698b987837aec0c1276696e27e7182e6cfbe5685"}